1A3I

X-RAY CRYSTALLOGRAPHIC DETERMINATION OF A COLLAGEN-LIKE PEPTIDE WITH THE REPEATING SEQUENCE (PRO-PRO-GLY)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	COLLAGEN-LIKE PEPTIDE	polymer	9	771.9	1
2	B, C	COLLAGEN-LIKE PEPTIDE	polymer	6	520.6	2
3	A, C	ACETIC ACID	non-polymer		60.1	2	Chemie (ACY)
4		water	water		18.0	37	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	1813.0
Non-Polymers*	Number of molecules	2
	Total formula weight	120.1
All*	Total formula weight	1933.1

*Water molecules are not included.